C
A
U
T
I
O
N
• Your thermostat is a precision instrument. Please handle it with care.
INSTALLATION AND OPERATING INSTRUCTIONS
• Turn off electricity to the appliance before installing or servicing thermostat or any
part of the system. Do not turn electricity back on until work is completed.
• Do not short (jumper) across electric terminals at control on furnace or air
conditioner to test the system. This will damage the thermostat and void your
warranty.
TX1500b SERIES
®
• All wiring must conform to local codes and ordinances.
SMART TEMP ELECTRONIC THERMOSTAT
• This thermostat is designed for use with 24 volt and millivolt systems. The
thermostat should be limited to a maximum of 1.0 amps; higher amperage may
cause damage to the thermostat. If you are in doubt, call your utility company.
UP
Y
HEAT
M
DOWN
MO
UP
MO
UP
DAY
DAY
HEAT
HEAT
PM
DOWN
P
DOWN
Easy as
1–2–3
SET
SATURDA
PROGRAM
SET
SUNDA
SET
SATURDA
PROGRAM
T
A
Y
Y
Y
Y
RESET
RESET
PROGRAM
FAN
ORAM
FAN
HEA
T
HEAT
AUTO
AUTO
SET
WEEKDA
O
ET
EEKDA
OFF
FILTER
HOLD
NEXT
Y
FILTER
HOLD
ON
Y
ON
COOL
PROGRAM
PA
SET
DAY/TIME
RUN
RUN
NEXT
1500
1500
P
a
t
e
n
t
s
P
e
n
d
i
n
g
P
a
t
e
n
t
s
P
e
n
d
i
n
g
SIMPLIFIED INSTRUCTIONS
Press UP/DOWN to set time.
SIMPLIFIED INSTRUCTIONS
•
TEMPORARY TEMPERATURE OVERRIDE
•Press UP/DOWN to adjust set temperature.
TO SET TIME
&
DAY
•
Press UP/DOWN to set time.
TEMPORARY TEMPERATURE OVERRIDE
•Press UP/DOWN to adjust set temperature.
TO SET TIME
&
DA
Rotate Dial to SET
Y
•
•
Rotate Dial to SET
DAY/TIME.
Press UP to change
TO SET PROGRAMS
Rotate Dial to SET
•
T
o
clear OVERRIDE press UP/DOWN until
appears or wait for
TO SET PROGRAMS
Rotate Dial to SET
•
T
o
clear OVERRIDE press UP/DOWN until
appears or wait for
DAY/TIME.
Press UP to change
•
•
original set temperature
•
•
original set temperatur
e
Installs Easily
Set Day & Time
Choose Heat or Cool
LUX PRODUCTS CORPORATION • Mt. Laurel, New Jersey 08054, USA
INSTALLATION
WARNING: Use Energizer® or DURACELL® Alkaline Batteries Only
Energizer® is a registered trademark of Eveready Battery Company, Inc.
DURACELL® is a registered trademark of The Gillette Company, Inc.
C A U T I O N
To avoid electrical shock and
Please read all instructions carefully
52017
to prevent damage to the
F
OF
before beginning installation.
TOOLS REQUIRED
furnace, air conditioner, and
Complete, Easy To Read Programming And Installation Instructions Inside
thermostat, disconnect the power
supply before beginning work. This
can be done at the fuse box, at the
circuit breaker, or at the appliance.
#1 Phillips screwdriver (small)
I M P O R T A N T !
Drill with 3/16-in. (4.8mm) bit
THERMOSTAT LOCATION
On replacement installations, mount
the new thermostat in place of the old
Thank you for your confidence in our product. To obtain the best results from
your investment, please read these instructions and acquaint yourself with your
purchase before installing your new thermostat. Then follow the installation
procedures, one step at a time. This will save you time and minimize the chance
READ
INSTALLATION
one unless the conditions listed below suggest otherwise. On new installations, follow
the guidelines listed below.
INSTRUCTIONS of damaging the thermostat and the systems it controls. These instructions may
contain information beyond that required for your particular installation. Please
save for future reference.
FIRST
1. Locate the thermostat on an inside wall, about 5 ft. (1.5m) above the floor, and in a
room that is used often.
2. Do not install it where there are unusual heating conditions, such as: in direct
sunlight; near a lamp, radio, television, radiator, register, or fireplace; near hot water
pipes in a wall; near a stove on the other side of a wall.
3. Do not locate in unusual cooling conditions, such as: on a wall separating an
unheated room; or in a draft from a stairwell, door, or window.
4. Do not locate in a damp area. This can lead to corrosion that will shorten
thermostat life.
5. Do not locate where air circulation is poor, such as: in a corner or an alcove; or
behind an open door.
6. Do not install the unit until all construction work and painting has been completed.
7. This thermostat does not require leveling.
FEATURES
•
The TX1500 can
The Active Program Period
be used with
most 24 volt
The Set Temperature
Lux Speed Dial®
Liquid Crystal
Display
gas, oil or electric
heating and air
conditioning
systems, single-stage
heat pumps or gas
millivolt heating
systems.
It cannot be used
with 120 volt heating
systems or multistage
heat pumps. Ask your
dealer for other LUX
thermostats to
Thermostat
Body
System
Switch
Fan Switch
C A U T I O N
REMOVING THE OLD THERMOSTAT
Switch electricity to the furnace and air conditioner OFF;
then proceed with the following steps.
Read instructions carefully
Easy to
before removing any
wiring from existing
control those
systems.
The TX1500 is
follow
instructions
•
1. Remove cover from old
thermostat. Wires must be
labeled before they are
removed. When removing
wires from their terminals,
ignore the color of the
programmable. There
are four
thermostat. Most are snap-on
types and simply pull off. Some
have locking screws on the
side. These must be loosened.
Thermostat
Cover
programming periods
per day. Each period
Button to Light Display
can be programmed separately.
wires since these may not
comply with the standard.
•
•
Easy to use Lux Speed Dial®.
2. Note the letters printed near the terminals. Attach labels
(enclosed) to each wire for identification. Remove and label
You can use the built-in time/temperature programs, or alter them to suit your
schedule. The TX1500 provides separate programming for weekdays, Saturday, and
Sunday — for both heating and cooling. You can override the programmed temperatures
for as little as one programming period or for an entire vacation.
In cool weather, when the system switch is set to HEAT, the TX1500 will maintain
cooler “set back” room temperatures to save energy. It will then change to warmer
“comfort” settings — all automatically, at specified times during the day.
In warm weather, when the system switch is set to COOL, the TX1500 will maintain
warmer “set back” room temperatures to save energy. It will then change to cooler
“comfort” settings - all automatically, at specified times during the day.
wires one at a time. Make sure the wires do not fall back inside the wall.
3. Loosen all screws on the old thermostat and remove it from the wall.
•
•
MOUNTING THE TX1500 ON THE WALL
2. Fill wall opening with
1. Strip insulation
3/8 in. (9.5mm)
from wire ends
and clean off
R
non-combustible
insulation to prevent
drafts from affecting
the thermostat.
•
•
A large liquid crystal display shows time, day of the week, and room and set
temperatures. It will remind you when the filter should be changed in your blower.
any corrosion.
Temperature swing adjustment lets you fine-tune your system for maximum
comfort and economy.
•
•
5/2 Minute Selectable Minimum Run/Off Time for Short Cycle/Compressor Protection
3. Press up on the button on bottom of thermostat
and swing the body away from the base and up
to remove the body from the base.
Two Energizer® or DURACELL® “AA” alkaline batteries (not included) are used to retain your
time and temperature program and to light the display.
C
A
U
T
I
O
N
Be careful not to drop the body or disturb electronic parts.
Leave the cover closed while the body is being removed from the base.
© COPYRIGHT 2006 LUX PRODUCTS CORPORATION. ALL RIGHTS RESERVED
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VACATION TEMPERATURE HOLD
OPERATION
This thermostat is “armchair programmable”
You can make any program or setting
changes with the thermostat body off or on
the wall thermostat base.
•
•
•
Press HOLD. Adjust temperature as
desired with UP/DOWN.
Temperature setting will not change even
after next program period begins.
To clear, press HOLD again.
TU
EVE
HOLD
HEAT
The TX1500 alternately displays the
current time and the room
HOLD
PM
temperature. It also displays the day of
the week and the currently active program period that is controlling the temperature: MORN,
DAY, EVE, or NIght.
The set point temperature will appear in the right side of the display. In the winter, set the
system switch to HEAT to control your heating system. In the summer, set the switch to COOL
to control your air conditioner. In spring and fall or when windows are open, you can set the
system switch OFF.
ADVANCED FEATURES
Setting the FAN switch to AUTO
N
O
T
E
automatically runs your system’s fan
during heating and cooling. Setting the
FAN switch to ON runs your system’s
fan continuously even without heating
or cooling.
FILTER USAGE MONITOR
The FAN switch works only if your system
provides a wire for the TX1500’s “G” terminal.
The FILTER Monitor counts the hours since the filter in your blower was last changed. After
250 hours of use, FILTER will appear in the display. After you change the filter, set the
thermostat’s FILTER Monitor back to zero as follows.
Rotate the dial
to FILTER
To reset the
counter
THE BUILT-IN ENERGY STAR® PROGRAMS
UP
HR
FILTER
Push in the RESET key. This sets
the built-in heating and cooling
programs. To review the built-in
programs, rotate the dial to SET
WEEKDAY / SATURDAY / SUNDAY
PROGRAM.
PERIOD
HEAT
COOL
To change the FILTER Usage Monitor limit
Rotate the dial to FILTER
WEEKDAYS
preprograms
MORN
DAY
EVE
6:00 AM 70° 6:00 AM 78°
8:00 AM 62° 8:00 AM 85°
6:00 PM 70° 6:00 PM 78°
SET
To change the
limit from
0-500 hours
Hold for two
DOWN
UP
NEXT
HR
seconds
FILTER
NIGHT 10:00 PM 62° 10:00 PM 82°
You can use the built-in
programs as shown, or change them
as you wish. Each day is divided into
four periods. Each period has its
own starting time and temperature.
MORN
DAY
EVE
6:00 AM 70° 6:00 AM 78°
8:00 AM 62° 8:00 AM 85°
6:00 PM 70° 6:00 PM 78°
To disable the FILTER Usage Monitor set the limit to 0 hours
SAT & SUN
preprograms
TEMPERATURE SWING
NIGHT 10:00 PM 62° 10:00 PM 82°
A thermostat works by turning your heating or cooling system on and off whenever the
room temperature varies a certain number of degrees from the set-point temperature. This
variation is the “swing.”
The dial must be in the RUN
position to close the door.
Your system should cycle on about 3 to 6 times per hour. A smaller swing number
increases the number of cycles, so room temperature is more constant. A larger swing
number decreases the number of cycles, to save energy in most cases.
PROGRAMMING THE TX1500
You can change any preset times and/or temperatures to suit your schedules for the
weekday, Saturday and Sunday programs. Each period (Morning,
PROGRAM MO TU WE TH FR
FOR: MORN
SET TEMP
Day, Evening, and Night) is programmed for HEAT and for COOL.
START AT:
AM
HEAT
HOLD
UP
NEXT
SWING SETTINGS
Press together
HEAT
OFF
Select HEAT to program the
TX1500 for controlling your heater.
OR
Select COOL to program the
TX1500 for controlling your air conditioner.
SET TEMP SWING
Dial must be in
the run position
COOL
To change
swing
DOWN
Rotate dial to SET WEEKDAY PROGRAM. To program SATURDAY or SUNDAY, rotate the
dial to SET SATURDAY or SET SUNDAY PROGRAM. With dial on SET WEEKDAY
PROGRAM, you will see the display above.
NEXT
Press to set.
To change the start
time for MORN.
To change the start
time for EVE.
DOWN
DOWN
UP
UP
TEMPERATURE CALIBRATION
Press together
HOLD
UP
NEXT
NEXT
UP
NEXT
UP
To program temperature.
To program temperature.
Rotate the dial to
SET DAY/TIME
To adjust the
thermostat
DOWN
To change the temp.
DOWN
DOWN
To change the temp.
setting for MORN.
To move to DAY.
To change start time
for DAY.
setting for EVE.
To move to NIGHT.
To change the start
time for NIGHT.
To program temperature.
To change the temp.
setting for NIGHT.
NEXT
UP
NEXT
UP
PROGRAM LOCK
DOWN
DOWN
TH
MORN
To prevent tampering with set programs.
The sequence of keys to lock and unlock the program:
NEXT
UP
NEXT
UP
To program temperature.
HEAT
AM
DOWN
DOWN
NEXT
NEXT
HOLD
NEXT
To change the temp.
setting for DAY.
NEXT
Rotate dial to RUN position to
start the programs.
To move to EVE.
W
A
R
N
I
N
G
SETTING THE TIME AND DAY
Making these changes will require you to reset the thermostat. Copy any of your customized
programs onto the blank chart. This will be your reference to re-enter the programs afterwards.
C
A
U
T
I
O
N
SU
DAY
The TX1500 is protected against normal static electric discharges.
However, in extremely dry weather you should touch another metal object
before the TX1500 to avoid potential loss of programs.
PM
CHANGING FROM °F TO °C AND A 12HR CLOCK TO A 24HR CLOCK
•
•
•
•
•
WARNING: Making these changes will require you to reset the thermostat.
Located to the right of the gas electric switch are two black jumpers C/F and 24/12H.
To change to Celsius - remove jumper - C/F.
Open the drop down door on the front of the thermostat. Rotate the dial to the SET
DAY/TIME position. You should see the display pictured above with a day of the week flashing.
When you are finished setting the day and time, rotate the dial to RUN to return to normal
operation or to another position to continue programming.
SW1
To change to a 24HR clock - remove jumper- 24/12H.
Press the reset key on the front of the thermostat for
changes to take effect.
ELECT
RL1
GAS
5/2 MIN
ON/OFF
C/F
24/12H
UP
To change
current day.
To set current time. The (e.g.
“12:00”) will be flashing.
To change the
current time.
UP
NEXT
•
Reprogram as necessary.
DOWN
These features let you change the current Set
Temperature without changing the programs stored
in your thermostat’s memory.
TEMPERATURE OVERRIDE AND
TEMPERATURE HOLD
5 MIN/ 2 MIN MINIMUM ON/OFF TIME
TEMPORARY
Your thermostat has an internal timer built in to protect your compressor. The timer forces a
minimum on/off time of 5 minutes. You may change this minimum on/off time to 2 minutes. To
accomplish this, remove the jumper labeled 5/2 MIN. You must press the small reset button on
the face of the thermostat for the changes to take effect.
•
Press UP/DOWN to change the current temperature
setting. The OVERRIDE indicator appears on display.
The OVERRIDE feature will be automatically canceled
at the start of the next program period.
To cancel OVERRIDE prior to next program period press
UP/DOWN until original set temperature
appears. OVERRIDE indicator will disappear from display.
TEMPERATURE OVERRIDE
•
UP
TU
EVE
OVERRIDE
•
HEAT
DOWN
PM
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